2164061464611 has 16 divisors (see below), whose sum is σ = 2903188081824. Its totient is φ = 1433827533824.

The previous prime is 2164061464601. The next prime is 2164061464619. The reversal of 2164061464611 is 1164641604612.

It is a cyclic number.

It is not a de Polignac number, because 2164061464611 - 2⁷ = 2164061464483 is a prime.

It is a super-2 number, since 2×2164061464611² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164061464619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594325 + ... + 2163641.

It is an arithmetic number, because the mean of its divisors is an integer number (181449255114).

Almost surely, 2^{2164061464611} is an apocalyptic number.

2164061464611 is a deficient number, since it is larger than the sum of its proper divisors (739126617213).

2164061464611 is a wasteful number, since it uses less digits than its factorization.

2164061464611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572150.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 2164061464611 in words is "two trillion, one hundred sixty-four billion, sixty-one million, four hundred sixty-four thousand, six hundred eleven".